Fellowes - SafeCut Rotary Trimmer Replacement Cutting Mats, 18", Black, 3/Pack - Sold As 1 PackQuality cutting strips help maintain clean cuts even after frequent use. Both sides of the strips are useable for extended product life. Length: 18 in; Width: N/A; Material(s): N/A; Color(s): N/A.Quality cutting strips help maintain clean cuts even after frequent use.Both sides of the strips are useable for extended product life. Includes three mats.